Extraordinary Chambers in the Courts of Cambodia (ECCC) | 2,447 followers on LinkedIn. The Extraordinary Chambers in the Courts of Cambodia (ECCC) was established to try senior leaders of the Democratic Kampuchea regime and those most responsible for crimes committed between 17 April 1975 to 6 January 1979. ECCC completed its judicial proceedings in 2022 and commenced on residual functions on 1 January 2023 through a Resource Centre in Phnom Penh.